A54SX72A-1CQ256B - 108K-Gate Antifuse FPGA | Microchip
料号： A54SX72A-1CQ256B ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
A54SX72A-1CQ256B 概述
An antifuse FPGA is a field-programmable gate array whose interconnect switches are permanently programmed once, rather than stored in configuration memory. In the programmable logic hierarchy, the SX-A sits under FPGA -> field-programmable logic -> programmable SoC/ASIC prototyping devices. Because the antifuse programming is non-volatile and inherently unalterable, these devices deliver ASIC-like security, instant power-up, and no external configuration PROM, making them a single-chip replacement for multi-chip glue-logic implementations.
Key features of the A54SX72A include the largest density in the SX-A family at 108K system gates, a sea-of-modules architecture with fine-grained logic modules, quadrant clocking resources (CLKA, CLKB and QCLK networks) that simplify large-design clock distribution, and a ceramic package suited to long-lifecycle and harsh-environment programs.
Architecturally, the SX-A uses a two-module logic cell (a C-cell for combinational logic and an S-cell for sequential elements), giving high effective logic utilization per gate. Routing is dominated by short and long antifuse interconnect segments, achieving fast, predictable delays suited to state machines, bus interfaces, and datapath functions.
Typical applications include industrial control and automation, communications and networking line cards, military and aerospace upgrades of legacy designs, and ASIC prototyping or bridge logic where single-chip integration reduces BOM cost.
Design-wise, program the device once and verify the fuse map in Libero SoC before programming, since antifuse programming is irreversible; budget I/O assignments across the four quadrants to use the quadrant clocks effectively.
This page adds value beyond the datasheet by consolidating distributor availability, same-package drop-in variants, and engineering design notes in one place.
直接替换替代料： A54SX72A-1CQ256B ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： A54SX72A-1CQ256B （相同外形与封装尺寸） ——差异在于 Package, Family, System Gates, Process Technology, User I/O.
快速对比工具——选择替代料号进行并排对比：
A54SX72A-1CQ256M
✅ 直接替换✓ 有现货
$6.4 / 个
查看数据手册 →A54SX72A-CQ256B
✅ 直接替换✓ 有现货
$228 / 个
查看数据手册 →A54SX72A-CQ256
✅ 直接替换✓ 有现货
$196 / 个
查看数据手册 →A54SX72A-CQ256M
✅ 直接替换✓ 有现货
$2429.15 / 个
查看数据手册 →A54SX32A-CQ256B
✅ 直接替换📋 参考替代料（不在目录中）
A54SX72A-1CQ256B 最大额定值与电气特性
| Family | SX-A (Antifuse FPGA) |
| System Gates | 108,000 |
| Logic Array Blocks (LABs) / CLBs | 6,036 |
| Programmable I/O | 203 |
| Supply Voltage Range | 2.25 V to 5.25 V |
| 封装 | 256-BFCQFP with Tie Bar (CQ256) |
| Lead Pitch | 0.5 mm |
| 安装类型 | Surface Mount |
| Programming Technology | Antifuse (one-time programmable, non-volatile) |
| Clocking Resources | CLKA, CLKB and quadrant clock (QCLK) networks |
| Configuration | Self-contained (no external configuration device required) |
| Speed Grade | -1 |
A54SX72A-1CQ256B 256-bfcqfp with tie bar (cq256) 引脚配置指南
A54SX72A-1CQ256B（256-bfcqfp with tie bar (cq256) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： A54SX72A-1CQ256B.
请参阅 数据手册 以查看完整引脚配置。
典型应用
A54SX72A-1CQ256B 适用于 6 应用s: Industrial Control and Automation, Communications and Networking Line Cards, Military and Aerospace Legacy System Upgrades, ASIC Prototyping and Bridge Logic, Test and Measurement Instrumentation, Single-Chip Glue Logic Integration.
Industrial Control and Automation
The A54SX72A-1CQ256B suits industrial control and factory automation systems that glue together PLC backplanes, motor-control interfaces, and legacy bus logic. Its 108K system gates and 6,036 LABs absorb dozens of discrete 74xx functions into one chip, cutting board area and assembly cost, while the 2.25V to 5.25V supply range tolerates noisy industrial 3.3V rails. The 203 programmable I/O pins drive status, sensing, and actuator interfaces, and the instant-on antifuse configuration means control logic is live the moment power is applied - critical for safety interlocks. Designers should verify I/O standards and budget quadrant clock resources for the main control state machine timing closure.
推荐
Communications and Networking Line Cards
In telecommunications and networking line cards, the A54SX72A-1CQ256B implements bridge logic, bus arbitration, framing glue, and backplane interfaces where deterministic, predictable delays matter. The 108K-gate capacity handles multi-protocol glue blocks, and the CLKA/CLKB global clocks plus quadrant QCLK networks distribute timing domains across the die with low skew - useful for dense I/O regions on a 256-pin package with 203 user I/O. Because the antifuse bitstream is programmed once and cannot be read back, the device hardens designs against firmware cloning on deployed networking equipment. Verify I/O timing against the -1 speed grade tables in the SX-A datasheet during Libero timing closure.
推荐
Military and Aerospace Legacy System Upgrades
The ceramic BFCQFP package with tie bar and one-time-programmable antifuse fabric make the A54SX72A-1CQ256B a natural fit for defense and aerospace programs sustaining legacy designs originally built on Actel SX-A devices. Instant power-up eliminates configuration-time windows in flight-critical sequencing, and the non-volatile, non-readable configuration supports anti-tamper requirements. The 108K-gate density replaces large quantities of obsolete TTL glue in avionics interface adapters, and Microchip's long-lifecycle support of the ceramic-packaged SX-A family reduces obsolescence risk. Space-grade companion RT54SX72S and military 5962-0054302QXC SMD variants exist for qualified programs.
推荐
ASIC Prototyping and Bridge Logic
Engineers use the A54SX72A-1CQ256B to prototype ASIC control logic and to provide bridge logic between incompatible buses during system bring-up. The fine-grained SX-A cell architecture (C-cell plus S-cell modules) maps state machines and datapath control efficiently, and 108K system gates accommodate moderate RTL blocks for functional validation. Because the antifuse fabric delivers ASIC-like fixed routing delays after programming, prototype timing behavior is stable across units - unlike SRAM FPGA re-route variance. Plan I/O assignment and quadrant clock usage before programming, since antifuse programming is irreversible; any functional change requires a new programmed device.
推荐
Test and Measurement Instrumentation
Bench and automated test equipment benefit from the A54SX72A-1CQ256B as timing-controller and trigger-logic fabric: instant-on configuration means the instrument is operational immediately at power-up with no configuration boot delay, and deterministic post-programming delays simplify trigger-path timing budgets. The 203 user I/O pins connect front-panel indicators, measurement sequencers, and backplane control signals, while the 5.25V-tolerant supply range eases integration in instruments still running 5V or 3.3V legacy rails. The ceramic package improves reliability in thermally cycling bench environments. Partition trigger logic into a single quadrant clock domain to minimize skew.
推荐
Single-Chip Glue Logic Integration
The core SX-A value proposition, as Microchip states, is system-wide savings from integrating multiple functions into a low-cost, single-chip solution. Designs carrying dozens of legacy PALs, GALs, or 74-series devices can consolidate address decoders, bus transceivers, wait-state generators, and interrupt controllers into one A54SX72A-1CQ256B, cutting BOM count, board area, and assembly cost while improving mean time between failures. The antifuse fabric programs once and never loses configuration, eliminating configuration PROMs and their power-up sequencing risk. Retarget legacy schematics through Libero SoC and verify timing at the -1 speed grade before committing production programming.
推荐
推荐产品汇总
工程参考数据： A54SX72A-1CQ256B ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | A54SX72A-1CQ256M | A54SX72A-CQ256B | A54SX72A-CQ256 | A54SX72A-CQ256M | A54SX32A-CQ256B |
|---|---|---|---|---|---|---|
| Package | 256-BFCQFP with Tie Bar (CQ256) | 256-BFCQFP - same | 256-BFCQFP - same | 256-BFCQFP - same | 256-BFCQFP - same | 256-BFCQFP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108,000 | 108,000 | 108,000 | 108,000 | 108,000 | 36,000 (SX32A class) |
| Supply Voltage | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V |
| Programming Technology | Antifuse (one-time, non-volatile) | Antifuse (one-time, non-volatile) | Antifuse (one-time, non-volatile) | Antifuse (one-time, non-volatile) | Antifuse (one-time, non-volatile) | Antifuse (one-time, non-volatile) |
关键差异点
- Largest SX-A family density in ceramic package （对比 A54SX32A-CQ256B)
- Faster -1 speed grade （对比 A54SX72A-CQ256B)
- Instant-on non-volatile configuration with no external PROM （对比 Modern SRAM FPGAs)
设计说明
Antifuse programming is irreversible. Before sending the device to the programmer, run full functional simulation and timing analysis in Microchip Libero SoC and generate the fuse map for the -1 speed grade. A functional change requires an entirely new programmed device - budget inventory accordingly for design iterations. Verify that the programmer algorithm and programming voltage match the SX-A specification; an incorrect programming profile permanently damages the die.
The A54SX72A accepts a wide 2.25V to 5.25V single supply, but note that core and I/O power are derived on-die in the SX-A architecture. Decouple the VCC pins on the CQ256 package with at least 0.1uF per supply pin pair plus bulk capacitance near the package, per standard Microchip SX-A reference designs. Confirm I/O voltage compatibility with neighboring devices: the die tolerates the 5.25V upper bound, but board-level interface standards must be validated against datasheet I/O characteristics.
Use the CLKA and CLKB global clock networks for primary system clocks and assign localized high-speed registers into quadrants using the QCLK resources, following Microchip application notes on A54SX72A quadrant clocks. Placing register-heavy logic within the quadrant served by its clock minimizes skew. Distribute 203 I/O pins across quadrants to avoid routing congestion, and review post-layout timing reports against the -1 speed grade tables in the SX-A family datasheet before programming.
合规信息
Compliance data not stated in provided distributor listings; ceramic BFCQFP packaging targets military/industrial programs where exemptions may apply. Verify environmental data on the Microchip product page for this exact MPN.
